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略阳鸡羽色和肤色遗传的初步研究 被引量:3
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作者 刘福柱 牛竹叶 《中国牛业科学》 1994年第S2期29-30,共2页
关键词 羽色 略阳 白羽 丝毛 鸡种 繁殖性能 家禽育种 浅色皮肤 试验鸡 饲管
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在以色列裔埃塞俄比亚犹太人中祛除文身:传统方法面临的技术问题
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作者 Lapidoth M. Aharonowitz G.- J. 党倩丽 《世界核心医学期刊文摘(皮肤病学分册)》 2005年第8期4-4,共1页
Many Jews in Ethiopia adopted the Christian custom of tattooing various parts of the body, either after conversion or to hide their Jewish origin. After emigrating to Israel, they sought to remove these foreign symbol... Many Jews in Ethiopia adopted the Christian custom of tattooing various parts of the body, either after conversion or to hide their Jewish origin. After emigrating to Israel, they sought to remove these foreign symbols to better blend with society. The aim of this study was to describe the use of laser technology for tattoo removal in a high- risk dark- skinned population and to highlight one way in which the interaction of modern medical communities with people from developing countries can open new avenues of research. The study sample consisted of 401 women and 3 men of Ethiopian origin with Fitzpatrick skin type V or VI. Ages ranged from 15 to 53 years. All tattoos were blue/black and had been made by injecting charcoal into the skin. Most (n=392, 97% ) were located on the forehead or the forehead and temples (n=312); 69% were cross- shaped. Patients underwent 3 to 6l aser treatments(average 3.6)withthe Q- switched Nd: YAG (n=380, 94% ) or ruby (n=24) laser at intervals of at least 8 weeks. The percent of clearing was scored by two independent investigators as follows: 1=0% - 25% ; 2=26% - 50% ; 3=51% - 75% ; 4=75% - 100% . Pigmentary and textural changes were classified as none, mild, moderate, or severe. The duration of follow- up after the last treatment was 6- 8 months. At the last follow- up, the clearance score was 4 in 92% of the patients and 3 in the remainder. Transient (2- 4 months)mild hyperpigmentation was noted in 177 (44% ) patients, and mild textural changes in two, both treated with the Q- switched laser. There were no cases of scarring or permanent pigmentary changes. Laser removal of carbon- based tattoos in an Ethiopian population yielded an excellent to good aesthetic outcome with no complications, similar to results in light- skinned patients. These findings have important implications for improving the quality of life of Ethiopian immigrants in Israel. 展开更多
关键词 皮肤类型 宗教习俗 患者治疗效果 浅色皮肤 研究途径 现代医学 清除率 以色列人 生活质量 最后一次
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开发森林带来的灾难——热带生态系变成了不毛之地
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作者 陶澍 《环境科学动态》 1978年第24期9-12,共4页
开发森林带来的灾难——热带生态系变成了不毛之地灼热的阳光烘烤着兰花楹属植物的躯干,干硬的土壤看上去活象焙烧过的粘土。昔日能通航五千吨巨轮的河流如今被砂洲淤塞,独木舟也只能勉强通行。桥梁横跨过杂草丛生的河谷。
关键词 生态系 青翠欲滴 正象 埃斯皮 巴西人 佩平 拉尼 平方英里 浅色皮肤 十年
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